Artificial tooth



(No Model.)

J. J. R. PATRICK.

ARTIFICIAL TOOTH. ,No. 373,302; Patented Nov. 15, 1887'.

W NESSES INVENTbR JdmJJP. 0 6mm W A l ATTORNEYS 3 is a bottbm view ofthe tooth-crown.

' I do declare the following to be a full, clear,

Nrrsn STATES I ATENT GFFICEO JOHN J. RyPATRIGK, OF BELLEVIL LE,ILLINOIS.

ARTIFICIAL TOOTH.

SPECIFICATION forming part of Letters Patent No. 373,302, dated November15, 1887.

Application filed October 8, 1886.

To all whom it may concern:

Be it known that 1, JOHN J. R. PATRICK, a citizen of the United States,and a resident of Belleville, in the county of St. Clair and State ofIllinois, have invented certain new and useful Improvements inArtificial Teeth; and

and exact description of the invention, such as will enable othersskilled inthe art to which it appertains to make and use the same,reference being hadto the accompanying drawings, and to letters orfigures of reference marked thereon, w.hich form a part of thisspecification.

Figure l of the drawings is a representation of this invention and showsthe piece of metal which is backed into the tooth-crown. Fig. 2 is aperspective view of a finished tooth. Fig. Fig. 4. is a bottom view ofajaw-tooth before the ring of metal is soldered to it. Fig. MS a sec tiontaken at the dotted line a; as shown on Fig. 4. 1 My invention relatesto artificial teeth; and it consists in the combination,with'a porcelaintooth,of platinum plates or pins inserted into the body of the toothedgewise and vertically at its margins, to which plates or pins aplatinum or gold base extending around the cervical border is soldered,as hereinafter set forth.

Serial No. 215,695. (No model.)

Referring by letter to the accompanying drawings, A designates aporcelain toothcrown, and B designates the small platinum pinsorplates,which comprisethe head or body Gand the point or tapering armD. The arm D is twisted, as shown in Fig. 1, or it may be simply bent ata right angle at the point, the object of the twist or bend being toprevent the withdrawal of the pinsv or plates from the' tooth-crown.

E designates the natural root of a tooth, and F is the platin urn orgold base or border, which is soldered to the platinum or metal pins orplates B.

Having described this invention, what'I claim, and desire to secure byLetters Patent, 1s

The combination,with a porcelain tooth, of platinum plates or pinsinserted into the body of the tooth edgewise and vertically at itsmargins, to which plates or pins a platinum or gold base extendingaround the cervical borderis soldered, substantially as specified.

In testimony whereof I affix my signaturein presence of two witnesses.

JOHN J. R. PATRICK.

Witnesses:

FRANK ANDERSON, T. O. FLEIsoHBEIN.

